A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input status register?
In a motor control function block program, conditional block are used. Which of the answers below is best described as a condition that must be TRUE before a device can be activated?
There are many different software programs that are commonly used by a DCS. Which of the programs below would allow the control strategy to be programmed once the I/O for the controllers was configured?
There has to be a way for data to be communicated to the systems I/O for a HMI application to be effective. Which of the terms below best represents the pool of information for this communication?
Which of the answers below best represents the Foundation fieldbus H1 data transmission parameters?
Which of the messaging types below is best described as direct communication with a field device initiated by the scanner module?
The OSI model describes how a network should be arranged. Which of the layers below defines the media access method and the message frame structure?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as allowing the creation of new projects?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
Which of the answers below best represents the affect of superimposed voltage or current on a signal?
Which of the wire types below is best described as "requiring a tinned copper drain wire"?
Which of the answers below best represents the maximum number of devices that can be connected to an H1 multidrop bus network?
In data transmission, a defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second largest in area covered?
There are several advanced alarm methods available that provide a greater level of functionality. Which of the methods below Modifies an alarm using logic?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
Digital signals are, either specific or transitory, voltage levels represent states of logic. Which of the signal encoding methods below uses voltage transitions to represent logic states?
IPv4 and IPv6 are the two current versions of IP. Which of the answers below is the defining difference between the two protocols?
Which of the answers below is best represented by the number "1" on a typical H1 segment?
The design and utilization of a SCADA system requires the approval of several layers of government. Which of the terms below would best be described as the framework for the integration of systems network layers?
Of all the ways to relate the speed of serial communication, which of the answers below is not one? Choose the answer that best applies.
There are several different network access methods available to wired Ethernet. Which of the methods below is the one used by wired Ethernet?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is used for schools, small localized businesses, and shopping malls?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
There are several common components of signal converters. Which one is best described as connecting the input signal of one device, with the converter itself?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will have the least amount of scalability?